Chuck maintenance

[Shortbed350]

Awhile back I got my first drill press from my father in law and he gave me all kinds extras. Well it came with 4 chucks three of them are Jacobs and the huge one is no name. I was wondering how to clean, lube, grease, etc. them? Two of them are pretty rough really hard to tighten. Do I need to take them all the way apart? One of the Jacobs one is a ball bearing don't know if that makes a difference.

I'm not sure if there is a thread about this already I did not search to long, if so the link would be appreciated.

 

[miatakid]

do the y have 2 little holes in the back? if so that where you put the spanner wrench to unscrew the chuck/ open up the chucks.

 

[larry_g]

Go right to the source for information, Jacobs chuck repair

lg
no neat sig line

 

[justanengineer]

Press them apart, wire brush the individual parts shiny clean, regrease, reassemble. Be aware of the differences in the plain and ball-bearing chucks when you go to take them apart, and also realize it shouldnt be super difficult/require much force to get them apart. I press them apart with a really small bench vise and no leverage.